In Emacs before 29.3 Gnus treats inline MIME contents as trusted.

...

Unspecified vulnerability in Gnu emacs (CNVD-2025-15363)

Gnu emacs is a family of text editors in the American GNU community. Gnu emacs suffers from a security vulnerability that stems from Gnus treating inline MIME content as trusted. No details of the vulnerability are provided at this time...

GNU Emacs 安全漏洞

GNU Emacs is a family of text editors in the American GNU community. A security vulnerability existed prior to GNU Emacs version 29.3, which stemmed from Gnus treating inline MIME content as trusted...